Of course you can get more specific - for example, the Solaris kernel/libc combination is so tightly coupled that it is described as a "welded unit" https://ww

Of course you can get more specific - for example, the Solaris kernel/libc combination is so tightly coupled that it is described as a "welded unit" https://www.youtube.com/watch?v=TrfD3pC0VSs#t=29m10 https://www.youtube.com/watch?v=TrfD3pC0VSs#t=29m10 OpenBSD solved the Year 2038 problem by incompatibly changing the kernel and libc ABI in lockstep, which broke every single existing binary application using time_t - how's that for tight coupling... http://www.openbsd.org/papers/eurobsdcon_2013_time_t/ http://www.openbsd.org/papers/eurobsdcon_2013_time_t/